40384760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2160

約数の個数: 64

約数和(自身を含む): 100548000

約数和(自身を除く): 60163240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2099, 2405, 3848, 4198, 4810, 8396, 9620, 10495, 16792, 19240, 20990, 27287, 41980, 54574, 77663, 83960, 109148, 136435, 155326, 218296, 272870, 310652, 388315, 545740, 621304, 776630, 1009619, 1091480, 1553260, 2019238, 3106520, 4038476, 5048095, 8076952, 10096190, 20192380, 40384760]

約数ペア:

[(1, 40384760), (2, 20192380), (4, 10096190), (5, 8076952), (8, 5048095), (10, 4038476), (13, 3106520), (20, 2019238), (26, 1553260), (37, 1091480), (40, 1009619), (52, 776630), (65, 621304), (74, 545740), (104, 388315), (130, 310652), (148, 272870), (185, 218296), (260, 155326), (296, 136435), (370, 109148), (481, 83960), (520, 77663), (740, 54574), (962, 41980), (1480, 27287), (1924, 20990), (2099, 19240), (2405, 16792), (3848, 10495), (4198, 9620), (4810, 8396)]